<template>
  <div>
    <!-- 面包屑组件-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!--卡片视图区域 el-card属性 :gutter属性-->
    <el-card>
      <el-row :gutter="20">
        <el-col :span='9'>
          <!--clear属性清空搜索区域 -->
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span='4'>
          <el-button type='primary' @click='addDialogVisible = true'>添加用户</el-button>
        </el-col>
      </el-row>
      <!--用户列表 -->
      <el-table :data='userList' border stripe>
        <el-table-column type='index' label='#'></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" prop="mg_state">
          <!--作用域插槽 可以通过{{scope.row}}获取一行数据-->
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false" >
              <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!--分页 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
    </el-card>

    <!--添加对象对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed">
      <!--内容主体区域 Form表单-->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password" type="password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!--底部区域 -->
      <span slot="footer" class="dialog-footer">
		    <el-button @click="addDialogVisible = false">取消</el-button>
        <el-button type="primary" @click="addUser">确定</el-button>
		  </span>
    </el-dialog>

    <!--修改用户对话框 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editDialogClosed">

      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>

      <span slot="footer" class="dialog-footer">
		    <el-button @click="editDialogVisible = false">取 消</el-button>
		    <el-button type="primary" @click="editUserInfo">确 定</el-button>
		  </span>
    </el-dialog>
    <!--分配角色对话框 -->
  </div>
</template>

<script>
export default {
  name: 'Users',
  data () {
    // 自定义规则，验证手机号和邮箱
    // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if (regEmail.test(value)) {
        return cb()
      } else {
        cb(new Error('请输入合法的邮箱地址'))
      }
    }
    var checkMobial = (rule, value, cb) => {
      const regMobial = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if (regMobial.test(value)) {
        return cb()
      } else {
        cb(new Error('请输入合法的手机号'))
      }
    }
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 5
      },
      userList: [],
      total: 0,
      addDialogVisible: false,
      // 添加用户数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 添加用户表单验证
      addFormRules: {
        username: [{ required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '用户名长度在3-10位', trigger: 'blur' }],
        password: [{ required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 10, message: '密码长度在6-10位', trigger: 'blur' }],
        email: [{ required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }],
        mobile: [{ required: true, message: '请输入手机号码', trigger: 'blur' },
          { validator: checkMobial, trigger: 'blur' }]
      },
      editDialogVisible: false,
      //查询到的用户信息
      editForm: {},
      //修改表单的验证规则对象
      editFormRules: {
        email: [{required: true, message: '请输入邮箱', trigger: 'blur'},
          {validator: checkEmail, trigger: 'blur'}],
        mobile: [{required: true, message: '请输入手机号码', trigger: 'blur'},
          {validator: checkMobial, trigger: 'blur'}],
      },
      //控制分配角色对话框的显示
      setRoleDialogVisible: false,
      //需要分配角色信息
      userInfo: {},
      //所有角色的列表
      rolesList: [],
      //已选中的角色id值
      selectedRoleId: ''
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    async getUserList () {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })
      // console.log(res)
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败！')
      }
      this.userList = res.data.users
      this.total = res.data.total
    },
    // 页码改变时触发函数
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 更新用户状态函数，监听用户状态函数
    async userStateChanged (userinfo) {
      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败！')
      }
      this.$message.success('更新用户状态成功！')
    },
    // 重置菜单
    addDialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    // 取消添加
    cancal () {
      this.addDialogVisible = false
    },
    // 点击按钮，添加用户
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        // console.log(valid)
        if (!valid) return
        // 发起添加用户网络请求
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败！')
        }
        this.$message.success('添加用户成功！')
        // 隐藏对话框
        this.addDialogVisible = false
        // 刷新用户列表
        this.getUserList()
      })
    },
    async showEditDialog(id){
      //console.log(id)
      this.editDialogVisible = true
      const {data: res} = await this.$http.get('users/'+id)
      if(res.meta.status !== 200){
        return this.$message.error("查询用户失败！")
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    editDialogClosed(){
      this.$refs.editFormRef.resetFields()
    },
    //修改用户信息并提交
    editUserInfo(){
      this.$refs.editFormRef.validate(async valid =>{
        //console.log(valid)
        if(!valid) return
        //发起网络请求，修改数据
        const {data: res} = await this.$http.put('users/'+this.editForm.id,{
          email: this.editForm.email,
          mobile: this.editForm.mobile
        })
        if(res.meta.status !== 200){
          return this.$message.error("修改用户失败！")
        }
        this.editDialogVisible = false
        this.getUserList()
        this.$message.success("修改用户成功！")

      })
    },
    //根据id删除
    async removeUserById(id){
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      //如果用户确认删除 返回confirm
      //如果用户取消删除 返回cancle
      //console.log(confirmResult)
      if(confirmResult !== 'confirm'){
        return this.$message.info("已取消删除！")
      }
      const {data: res} = await this.$http.delete('users/'+ id)
      if(res.meta.status !== 200){
        return this.$message.error("删除用户失败！")
      }
      this.getUserList()
      this.$message.success("删除用户成功！")

    },
    //点击按钮分配角色
  }
}
</script>

<style lang="less" scoped>

</style>
